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The virDomainObjListRemove() function unlocks a domain that it's given due to legacy code. And because of that code, which should be refactored, that last virObjectUnlock() cannot be just removed. So instead, lock it right back for qemu for now. All calls to qemuDomainRemoveInactive() are followed by code that unlocks the domain again, plus the domain should be locked during qemuDomainObjEndJob(), so the right place to lock it is right after virDomainObjListRemove(). The only place where this would cause a problem is the autodestroy callback, so we need to get another reference there and uref+unlock it afterwards. Luckily, returning NULL from that function doesn't mean an error, and only means that it doesn't need to be unlocked anymore. Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>